An overview of Onkyo TX-RZ820 and Sony STR-DH590 will help us understand the many features that the devices are equipped with. According to the results of our review, Onkyo TX-RZ820 received 7.7 points out of 10 possible, and Sony STR-DH590 was rated 4.2 points. The release date of TX-RZ820 is 2017, and STR-DH590 is 2018. And as a result of the review, it becomes clear that STR-DH590 is inferior in audio processing features to TX-RZ820.
For the built-in amplifier, the devices received different marks - 9 and 6, respectively, on a 10-point scale.
The number of channels is equal to the number of possible connected speakers. The Onkyo TX-RZ820 supports 7.2-channels sound, but Sony STR-DH590 supports a 5.2-channels configuration.
RMS stands for the actual power of the receiver. The higher this value, the louder the sound can be produced.
|Stereo power (RMS), W/Ohm||160/8||145/6|
|Output impedance, Ohm||8||6|
|THD in stereo, %||0.08||0.09|
After reviewing the audio features of each model, we can rate the TX-RZ820 8 out of 10, and the STR-DH590 - 5.
Bi-amping is the amplification of one speaker with two amplifiers. This amplification method has a positive effect on sound quality. Bi-amping is possible only on the TX-RZ820.
Most receivers now come with a microphone included. It is with the help of this microphone that the auto-calibration system functions, which adjusts the sound of the receiver to the room.
|Digital to analog converter (DAC)||AK4458 384 KHz/32-bit||192 KHz/32-bit|
|Pure direct (straight)||✔||✔|
|Auto speaker calibration||AccuEQ||DCAC|
|Speaker A/B switching||✖||✖|
|Other audio features||has not||has not|
The connectivity of competitors in our comparison is markedly different, Onkyo TX-RZ820 scored 8, and Sony STR-DH590 scored 5 out of 10.
Bluetooth connection is now one of the main communication protocols for the receiver's control or even music broadcasting.
Wired internet connection via RJ45 allows receiver faster connection than wireless or even use NAS storages. Wired connection via RJ45 is possible in the TX-RZ820 only.
|USB||1 (USB 2.0)||1 (USB 2.0)|
Now music streaming services are gaining more and more popularity. They allow users to listen to millions of songs by subscription.
|Apple Music (AirPlay)||AirPlay||✖|
|Other streaming services||Deezer, TIDAL||has not|
The presence of many connectors makes the receiver more versatile. But there are also narrowly targeted models, the number of connectors which are limited to a certain area of use. And when choosing their own receiver, users need to consider exactly your goals for using the receiver. For extensive connection, Onkyo TX-RZ820 got 8 points, but Sony STR-DH590 received 6 points.
Onkyo TX-RZ820 is equipped with 7/2 HDMI inputs and outputs, and Sony STR-DH590 has 4/1 HDMI inputs and outputs.
Connecting a vinyl player or phonograph is possible using a Phono input which is represented by mini-jack or RCA connectors. Only the TX-RZ820 has a Phono interface.
|HDMI ARC (Audio Return Channel)||✔||✔|
|HDMI eARC (Enhanced Audio Return Channel)||✖||✖|
|Digital content protection (HDCP)||HDCP 2.2||HDCP 2.2|
|Subwoofer output (LFE)||2||2|
|Headphone output||1 x 6.3||1 x 6.3|
|Optical digital input||2||1|
|Coaxial digital input||1||1|
|Phono (MM) input||✔||✖|
|Front panel connectors||HDMI, phones, setup mic||phones, setup mic|
|Multi channel preamp output||✔||✖|
The AV receiver is the heart of the home theater. And in this case, support for all current video formats ensures the best user experience, so it is very important to consider this when choosing a device. Video features of the TX-RZ820 were rated 7 out of 10 against the 6 for the STR-DH590.
|HDR (High Dynamic Range)||HDR10||HDR10|
|4K signal pass-through||4K/60Hz||4K/60Hz|
|8K signal pass-through||✖||✖|
|HDMI signal pass-through||✔||✔|
|3D signal pass-through||✔||✖|
|HDMI pass-through in standby mode||✔||✔|
|Analog to HDMI scaling||✖||✖|
|HDMI to HDMI scaling||✖||✖|
|Other video features||HLG, BT.2020||HLG|
In terms of evaluating additional features, the TX-RZ820 got 8 points, but the STR-DH590 has 4.
Only the Onkyo TX-RZ820 has the ECO mode.
|App control||iPhone, iPad, iPod, Android||✖|
|Tuner||AM, FM||AM, FM|
|Auto power off||✔||✖|
|Graphical user interface (GUI)||✔||✖|
|Firmware update||network, USB||USB|
|Other additional features||IP Control||has not|
As the center of a home media system, each multichannel receiver has an additional set of terminals for connecting the second set of speakers to create additional audio space in Zone 2 or even Zone 3 where audio can have the separate source.
|Multi-room zones||2||has not|
|Zone audio output||speaker, preout||has not|
|Zone HDMI output||✔||has not|
|Multi-room control||FlareConnect||has not|
|Remote control input/output (IR)||1/0||0/0|
|DC trigger output (12V)||1||0|
Onkyo TX-RZ820 got 7 points for the multichannel surround sound and Sony STR-DH590 got 5.
Dolby Atmos' particularity is that this is the object-oriented sound format, that is, each audio signal object is independently sounded and connected to its spatial position. Onkyo TX-RZ820 can create 3D sound due to the Dolby Atmos support.
DTS:X is an algorithm used by the processor to create sound scenes, where sounds connected directly to objects rather than channels, and to determine the optimum sound output distribution in space. Surround sound with DTS:X is available only on the TX-RZ820.
|Dolby (other)||Dolby Digital Plus||Dolby Digital|
|DTS HD Master||✔||✔|
|DTS (other)||has not||DTS 96/24|